<template>
    <div class="app-root">
<!--        <mt-header fixed title="固定在上的菜单" class="title-main"></mt-header>-->
        <mt-header fixed class="title-main" title="VUE项目">
            <router-link to="/" slot="left">
                <mt-button icon="back" @click="back" v-show="flag"> 返回</mt-button>
            </router-link>
        </mt-header>
        <transition>
            <router-view></router-view>
        </transition>

        <nav class="mui-bar mui-bar-tab">
            <router-link class="mui-tab-item-1" to="/home">
                <span class="mui-icon mui-icon-home"></span>
                <span class="mui-tab-label">首页</span>
            </router-link>
            <router-link class="mui-tab-item-1" to="/member">
                <span class="mui-icon mui-icon-contact"></span>
                <span class="mui-tab-label">会员</span>
            </router-link>
            <router-link class="mui-tab-item-1" to="/shopcar">
                <span class="mui-icon mui-icon-extra mui-icon-extra-cart"><span class="mui-badge badge">{{$store.getters.getallcount}}</span></span>
                <span class="mui-tab-label">购物车</span>
            </router-link>
            <router-link class="mui-tab-item-1" to="/search">
                <span class="mui-icon mui-icon-search"></span>
                <span class="mui-tab-label">搜索</span>
            </router-link>

        </nav>
    </div>
</template>

<script>
    export default {
        data(){
            return{
                flag : false
            }
        },
        methods:{
            back(){
                this.$router.go(-1);
            }
        },
        watch:{
            "$route.path": function(newv){
                if(newv == "/home"){
                    this.flag = false
                }else{
                    this.flag = true
                }
    }
        }
    }
</script>

<style scoped lang="less">
    .app-root{
        padding: 40px 0 50px 0;
    }
    .title-main{
        z-index: 9999;
    }

    .v-enter{
        opacity: 0;
        transform: translateX(100%);
    }
    .v-leave-to{
        transform: translateX(-100%);
        position: absolute;
    }
    .v-enter-active,
    .v-leave-active{
        transition: all .5s;
    }


    .mui-bar-tab .mui-tab-item-1
    {
        display: table-cell;
        overflow: hidden;

        width: 1%;
        height: 50px;

        text-align: center;
        vertical-align: middle;
        white-space: nowrap;
        text-overflow: ellipsis;

        color: #929292;
    }
    .mui-bar-tab .mui-tab-item-1.mui-active
    {
        color: #007aff;
    }
    .mui-bar-tab .mui-tab-item-1 .mui-icon
    {
        top: 3px;

        width: 24px;
        height: 24px;
        padding-top: 0;
        padding-bottom: 0;
    }
    .mui-bar-tab .mui-tab-item-1 .mui-icon ~ .mui-tab-label
    {
        font-size: 11px;

        display: block;
        overflow: hidden;

        text-overflow: ellipsis;
    }
    .mui-bar-tab .mui-tab-item-1 .mui-icon:active
    {
        background: none;
    }

</style>